Accidents and accident prevention in machine building.
Subtitle: Revision of Bulletin 216
By: [by] Lucian W. Chaney and Hugh S. Hanna. November, 1919.
Contributors: Hanna, Hugh S.; United States. Bureau of Labor Statistics.
Series: Bulletin of the United States Bureau of Labor Statistics -- no.256; Industrial accidents and hygiene series
Publisher: Govt. Print. Off.
Published: 1920
Place of publication: Washington
Language: eng
Number of pages: 123
Subjects: Accidents.; Accidents -- Prevention.; Machinery -- Safety appliances.; Machine shops.
Notes: At head of title: U.S. Department of Labor. Bureau of Labor Statistics. Royal Meeker, Commissioner.

Part of the plates printed on both sides.

Issued also as House doc. 90, U.S., 66th Cong., 1st sess.